CN201891452U - Engine crankshaft device - Google Patents
Engine crankshaft device Download PDFInfo
- Publication number
- CN201891452U CN201891452U CN2010206272878U CN201020627287U CN201891452U CN 201891452 U CN201891452 U CN 201891452U CN 2010206272878 U CN2010206272878 U CN 2010206272878U CN 201020627287 U CN201020627287 U CN 201020627287U CN 201891452 U CN201891452 U CN 201891452U
- Authority
- CN
- China
- Prior art keywords
- crankshaft
- rear end
- bent axle
- end flange
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an engine crankshaft device, which comprises a crankshaft body, wherein the rear end of the crankshaft body is provided with a crankshaft timing gear, the rear end of the crankshaft body is also provided with a crankshaft rear end flange, and the crankshaft rear end flange is provided with a threaded hole used for arranging a flywheel. Compared with the prior art, the crankshaft device is convenient to maintain and easy to disassemble, and can effectively reduce high maintenance cost caused by the damage of the crankshaft rear end flange.
Description
Technical field
The utility model relates to engine art, relates in particular to a kind of engine crankshaft device.
Background technique
Bent axle is the core part of motor, and it needs to bear huge moment of torsion and pressure in the course of the work, so be easy to be damaged.The motor of existing timing gear postposition, its crankshaft rear end diameter is all bigger, to reserve enough space thread mill drillings.The defective of such structure is, must select the rapidoprint of expensive senior steel as bent axle for use, and, when crankshaft rear end is damaged, must change whole bent axle, thereby cause huge waste.
The model utility content
The technical problems to be solved in the utility model is to provide a kind of engine crankshaft device with new structure, and this crankshaft arrangement can be suitable for more cheap material and process, and when being damaged, maintenance cost is able to very big reduction.
For solving the problems of the technologies described above, the engine crankshaft device that the utility model provides has following structure:
A kind of engine crankshaft device comprises the bent axle body, and the rear end of described bent axle body is equipped with crankshaft timing gear, and the rear end of described bent axle body also is equipped with the crankshaft rear end flange, and described crankshaft rear end flange is provided with the tapped hole that is used to install flywheel.
Preferably, the rear end of described crankshaft rear end flange and bent axle body is an interference fit.
Preferably, described bent axle body and crankshaft timing gear are interference fit.
Compared with prior art, this crankshaft arrangement is easy to maintenance, the machine of tearing open is simplified, and can effectively reduce the great number maintenance cost that the crankshaft rear end flange causes because of damage.
Description of drawings
Fig. 1 is first kind of prior art constructions schematic representation described in the utility model;
Fig. 2 is second kind of prior art constructions schematic representation described in the utility model;
Fig. 3 is a bent axle main body structure schematic representation described in the utility model;
Fig. 4 is the structural representation of crankshaft arrangement described in the utility model.
Employed mark is respectively in the above accompanying drawing:
1-bent axle body, 2-crankshaft rear end flange.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subjected to the restriction of embodiment.
Figure 1 shows that a kind of bent axle of the prior art, wherein, this crankshaft rear end and crankshaft timing gear interference fit, the crankshaft rear end face is processed with the screw that flywheel is installed; Figure 2 shows that another bent axle of the prior art, wherein, crankshaft rear end and crankshaft timing gear are by Spielpassung, and the crankshaft rear end face is processed with the screw that flywheel is installed, and bolt of flywheel runs through flywheel, crankshaft timing gear, tightens to be fitted on the bent axle.The crankshaft rear end diameter of these two kinds of structures is all bigger, to reserve enough space thread mill drillings.The defective of such structure is, must select the rapidoprint of expensive senior steel as bent axle for use, and, when crankshaft rear end is damaged, must change whole bent axle, thereby cause huge waste.
Figure 3 shows that the bent axle body 1 of crankshaft arrangement of the present utility model, the rear end diameter bent axle more of the prior art of this bent axle body 1 is less.Fig. 4 is the structural representation of crankshaft arrangement of the present utility model after assembling, the rear end of bent axle body 1 interference fit crankshaft rear end flange 2 is installed, be processed with the tapped hole that is used to install flywheel on the described crankshaft rear end flange 2.The bent axle of this structure is convenient to the crankshaft rear end flange and is chosen the material more practical, cheap than bent axle, and does not need to change whole bent axle when the crankshaft rear end flange damages.
More than disclosed only be a specific embodiment of the present utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into protection domain of the present utility model.
Claims (3)
1. engine crankshaft device, comprise the bent axle body, the rear end of described bent axle body is equipped with crankshaft timing gear, it is characterized in that, the rear end of described bent axle body also is equipped with the crankshaft rear end flange, and described crankshaft rear end flange is provided with the tapped hole that is used to install flywheel.
2. engine crankshaft device according to claim 1 is characterized in that, the rear end of described crankshaft rear end flange and bent axle body is an interference fit.
3. engine crankshaft device according to claim 2 is characterized in that, is interference fit between described bent axle body and the crankshaft timing gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206272878U CN201891452U (en) | 2010-11-23 | 2010-11-23 | Engine crankshaft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206272878U CN201891452U (en) | 2010-11-23 | 2010-11-23 | Engine crankshaft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201891452U true CN201891452U (en) | 2011-07-06 |
Family
ID=44220930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206272878U Expired - Fee Related CN201891452U (en) | 2010-11-23 | 2010-11-23 | Engine crankshaft device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201891452U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742519A (en) * | 2014-01-29 | 2014-04-23 | 广西玉柴机器股份有限公司 | Crankshaft structure |
| CN106090041A (en) * | 2016-07-18 | 2016-11-09 | 衡阳中地装备探矿工程机械有限公司 | A kind of bent axle and gear connection structure and attaching method thereof |
-
2010
- 2010-11-23 CN CN2010206272878U patent/CN201891452U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742519A (en) * | 2014-01-29 | 2014-04-23 | 广西玉柴机器股份有限公司 | Crankshaft structure |
| CN106090041A (en) * | 2016-07-18 | 2016-11-09 | 衡阳中地装备探矿工程机械有限公司 | A kind of bent axle and gear connection structure and attaching method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 Termination date: 20161123 |